Write any two important parts of a moving-coil loud speaker

Write down the working of a moving coil loud speaker by rearranging the following in correct sequence. strengthened electrical pulses are sent through the voice coil of a loud speaker. The voice coil , which is placed in the magnetic field , moves to and fro rapidly , in accordance with the electrical pulses. The electrical pulses from a microphone. Make the diaphragm vibrate, thereby reproducing sound . Electrical pulses are strengthened using an amplifier.

Write any two properties of graphite.

Write any two important uses of noble gas elements.

Find out the similarities and differences between a moving coil microphone and a moving coil loud speaker and write

Which are the main parts of a moving coil microphone ?